import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Colors.blue, ), home: MyHomePage(title: 'Flutter Demo Home Page'), ); } } class MyHomePage extends StatefulWidget { const MyHomePage({supe..

import 'package:flutter/material.dart'; import 'package:flutter_app_chap_4/styles.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { MyApp({Key? key}) : super(key: key); final items = List.generate(100, (i)=> i).toList(); @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primaryColor: Colors.blue, primarySwatch:..